Answer:
9
Step-by-step explanation:
C. f(x) = x - 7 all over 4
NB: Let f(x) = y
Exchange X and Y
Make y the subject
f(x) = 4x + 7
y = 4x + 7
x = 4y + 7
x - 7 = 4y
x - 7 all over 4 = 4 ÷ 4
y = x - 7 all over 4
slope = 22/24
slope =11/12